Logger command

Use the logger command to write log entries to the /var/log/messages log file. This can be useful for scripted installations to confirm sections of the script completed successfully.

i.e.
logger Hello there!

Results in the following entry in /var/log/messages
Jul 26 16:07:23 chewbacca root: Hello there!
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VMware vMotion

In the past, VMware vMotion was licensed for use only at the Enterprise tier. Starting with vSphere, vMotion is also included in the Essentials Plus and Advanced tiers (and of course Enterprise Plus).
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Sysprep

Sysprep file locations and versions

VMware has published KB 1005593 which provides the download URL & destination directory
placement on VMware vCenter Server for Microsoft Sysprep files required for Windows guest customization. General installation instructions are provided as well.

http://kb.vmware.com/kb/1005593
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Shared storage issues

If you are experiencing shared storage issues, whether it be SAN, iSCSI, or NFS, take a look at VMware KB article 1003659 entitled Identifying shared storage issues with ESX 3.x. This article contains several links to troubleshoot shared storage issues, as well as a handy flowchart.

http://kb.vmware.com/kb/1003659
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vCenter 2.5 to vCenter Server 4.x

If you are upgrading from vCenter 2.5 to vCenter Server 4.x and you had previously implemented SSL certificates, be sure to preserve the certificates files because they will be needed during the vCenter Server 4.x upgrade. The files are located at:

C:\documents and settings\all users\Application Data\vmware\VMware VirtualCenter\SSL\

The three SSL files are:
rui.crt
rui.key
rui.pfx
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ESX(i) standard vSwitch

The ESX(i) standard vSwitch allows Egress (outbound) Traffic Shaping.

The vSphere Network Distributed Switch (vDS) allows both Egress (outbound) and Ingress (inbound) Traffic Shaping.

Egress & Ingress are relative to the VM - not the vDS. Egress filtering is applied to traffic from VM to vDS, & Ingress filtering is applied to traffic from vDS to VM. There is no filtering of any traffic between vDS & VMNIC.
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Vreference.com

Whether you're studying for a VMware exam or looking for a good desk reference, you owe it to yourself to check out the reference cards from Forbes Guthrie. Each cheat sheet is jam packed with an incredible amount of information. Print it in duplex mode and laminate it.

http://www.vreference.com/
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